Biker Keychains: How to Choose Weight, Metal and Clip

Keychains are the quietest sellers in the shop. Few people research a biker keychain the way they research a ring, yet more than two dozen have left here in the past twelve months, and the ones that go most often are the two lion heads and the braided-leather wallet holder. This is the guide we wish those buyers had read first: what a biker keychain actually is, what 35, 55 and 80 grams feel like on a hip, how solid silver and solid brass differ once they live in a pocket, and which clip suits which habit.

What Makes a Keychain a Biker Keychain

The difference is the clip. What we mean by a biker keychain is a piece built to be fastened rather than pocketed: a cast metal body (a skull, a lion head, a dragon claw), a spring clasp or hook at the top that clips onto a belt loop, a D-ring or a wallet-chain link, and a plain ring at the bottom for the keys. The keys hang just below the pocket, where a gloved hand can reach them, which is the point of a motorcycle keychain. A flat leather fob on a wire ring does none of that. It rides loose in a pocket.

Every piece in the keychains we keep in stock follows that layout. Nine are solid .925 sterling silver and one is solid brass. The clasps are the same lobster and lever types we hang wallet chains from, so if you have read our wallet chain guide the hardware will look familiar. The ring at the bottom is the one part that is not sculpted, because plain is what keys sit on.

35 to 100 Grams: What Each Weight Class Feels Like

We weigh every keychain before it is listed, so the numbers below are the pieces alone, without keys. For scale, the R&A and USGA cap a golf ball at 1.620 ounces, which is 45.93 grams. Most of ours weigh one golf ball and a little. The heaviest is just over two.

Under 40 grams, a keychain more or less disappears on us. The 35-gram Flame Dragon is three inches from jaw to ring, and on a belt loop it sits under a jacket hem where you forget it is there. That is the class for a light key set or a bag zipper.

Between 45 and 60 grams is where most of our keychains live, and it is the class that sells. In our experience you notice it once, the first time you sit down, and after a day it reads as "my keys are still there" rather than as weight. The five-and-a-half-inch Gothic Skull is the clearest example: the clasp and the oval link carry most of its 49 grams, and the run of small skull beads below is light, so it hangs straight and settles instead of swinging.

From 65 to 80 grams you tend to feel it when you sit, and you hear it when you pull keys out of a pocket. The 77-gram silver lion and the 80-gram Mad Red Eye are for people who already carry a heavy wallet chain and want the keys to match. At 100 grams, the leather wallet holder is a different object. Much of its length is braided leather, it reaches mid-thigh, and it is built to hang a wallet as well as keys.

Silver vs Brass: What Actually Changes

We cast the same lion head in both metals, which makes the comparison honest. Sterling silver has a density of 10.36 g/cm³. Cartridge brass, the common 70% copper and 30% zinc alloy, has a density of 8.53 g/cm³. Casting alloys vary a little, but the same volume of metal weighs roughly a fifth more in silver. Our two lions illustrate it: the sterling silver Red Eye Lion Head weighs 77 grams on 14 mm links, the brass version 58 grams on the same link width. Part of that gap is density and part is the silver chain running a little longer, at 5.75 inches against 5⅜.

Colour is the bigger difference over time. Sterling develops a dark surface layer, mostly silver sulfide, when sulfur-containing gases in the air reach it. On our oxidized pieces the recesses are darkened on purpose, and in our experience a sterling silver keychain that lives in a pocket keeps its high points bright through handling. Brass darkens too, often towards brown, and copper alloys can throw green or blue spots where sweat and fingerprints sit on the metal. Because brass is mostly copper, some wearers also get a faint green mark where it presses on damp skin. That is a stain on the skin, not damage to the metal, and we cover the chemistry in our post on brass patina and the green skin question.

Hardness is closer than people expect. Published mill figures put annealed sterling wire at about 71 HV and soft cartridge brass at 45 to 61 HV. Those are numbers for wire and strip, not for a finished casting, but the point holds: neither metal is steel, and a hard knock will mark either lion. The red cubic zirconia eyes are flush-set on both, so the stones do not stand proud of the face.

Lobster Clasp, Lever Jaw, Bone Hook or Link Loop?

Five of the ten use a lobster clasp. Press the lever, a spring-loaded arm swings back to open the claw, and the spring closes it the moment you let go. It is the clasp you can work with one hand, and it is the same mechanism as a necklace clasp, scaled up to take a belt loop. The Gothic Skull, the Gothic Devil and both lion heads have the clasp cast as part of the sculpture, so the skull or the flame-engraved body is the thing you squeeze.

Two use a lever built into a creature. On the Flame Dragon the jaw is the clasp: it opens to bite the belt loop and snaps shut. On the Dragon Claw you squeeze the tip of the talon to open it, and every link below is a smaller cast claw rather than a round wire loop. Both work like a lobster clasp, just with a shape you can feel through a glove. The Mad Red Eye takes a third route: a round gate clasp with a small skull cast onto it.

Two have no spring at all. The Red Eye Skeleton Skull ends in a bone-shaped hook that slides over a belt loop and stays there by weight. It is the easiest to put on with gloves and the one we would not trust on a thin bag strap, so it belongs on a belt loop. The Crazy Skull goes the other way: an oversized link loop with no moving part that you thread through a belt-loop ring or a wallet-chain link. There is nothing on it to spring open, and nothing comes off one-handed either.

The bottom end matters too. Most finish in a plain ring for the keys, either a split ring, the coiled double loop you open with a thumbnail and wind a key onto, or a hinged gate ring you open with a thumb. The Mad Red Eye finishes in a hook shaped from small bones instead. It looks better, and it also means keys lift off without tools, which is either the feature you wanted or the reason to pick a different one.

Where It Hangs Decides What You Should Buy

On a belt loop, length is most of the decision. Three inches stays hidden under a jacket. Five to six inches reaches the pocket opening on most wearers, so the keys are where your hand already goes. The 8¼-inch leather holder reaches mid-thigh, which is the point: you can pull keys out of a front pocket without unclipping it.

On the end of a wallet chain, match the hardware. A lobster or lever clasp clips onto the end link of most chains in our wallet chain range, and the keychain becomes the fob for the whole rig. If the chain is silver, buy a silver keychain. To our eye, brass against silver starts to look like a mismatch once the two metals have aged in different directions.

Loose in a pocket, pick a compact piece with no protruding clasp: the Crazy Skull at 3⅞ inches or the Flame Dragon at three. On a bag, a heavy keychain is a charm, and bag charms have had a long mainstream run: in 2025 W Magazine wrote that they had shown "surprising staying power" while Labubu plush charms kept selling out. A 50-gram silver skull on a leather bag looks right. Just remember that cast metal swinging against leather can mark it over time, and the recesses collect lint.

Buying One as a Gift

A keychain is an easy gift to get wrong, so here is the order we ask questions in.

If none of those questions have an answer, the Flame Dragon is our default pick. It is the lightest and shortest piece we make, and it clips to a belt loop, a zipper pull or a bag strap. For riders you know better, our gift guide for bikers covers the rest of the shop.

Weigh where it hangs, pick the metal you want to age, then choose the clip you can work with the hand you have free. The rest of the solid silver carry pieces, lighters and buckles included, are in the biker accessories collection.